Tetraethylammonium hydrogen carbonate: A cheap, efficient, and recyclable catalyst for transesterification reactions under solvent-free conditions

被引：6

作者：

Chiarotto, Isabella ^{[1
]}

机构：

[1] Sapienza Univ Rome, Dipartmento Sci Base & Appl Ingn, Via Castro Laurenziano 7, I-00161 Rome, Italy

来源：

SYNTHETIC COMMUNICATIONS | 2016年 / 46卷 / 22期

关键词：

Catalyst; proton transfer; solvent free; tetraethylammonium hydrogen carbonate; transesterification; HETEROCYCLIC CARBENE CATALYSTS; CARBOXYLIC-ACIDS; IONIC LIQUIDS; ESTERIFICATION; ESTERS; ALCOHOLS;

D O I：

10.1080/00397911.2016.1233343

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Tetraethylammonium hydrogen carbonate (TEAHC) was proven to be an efficient catalyst for transesterification reactions in the absence of solvent. The reaction between isopropenyl or ethyl acetate and an alcohol (not efficient in the absence of catalyst) was induced by the presence of TEAHC, which seems to assist the proton transfer from the alcohol to the ester, yielding the corresponding acetate in very good yields in the absence of any solvent. Moreover, the TEAHC can be recycled several times without significant loss in activity. [GRAPHICS]

引用

页码：1840 / 1847

页数：8

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